package com.sky.mapper;

import com.github.pagehelper.Page;
import com.sky.anno.AtuoFill;
import com.sky.dto.DishDTO;
import com.sky.dto.DishPageQueryDTO;
import com.sky.entity.Dish;
import com.sky.enumeration.OperationType;
import com.sky.vo.DishVO;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Select;
import org.apache.ibatis.annotations.Update;

import java.util.List;
import java.util.Map;

@Mapper
public interface DishMapper {

    /**
     * 根据分类id查询菜品数量
     * @param categoryId
     * @return
     */
    @Select("select count(id) from dish where category_id = #{categoryId}")
    Integer countByCategoryId(Long categoryId);

     /**
      * 新增菜品
      * @param dish
      */
     //获取菜品id，sql在mapper中useGeneratedKeys = true, keyProperty = "id"就要在mapper中设置，否则会报错，sql在xml中设置，那么useGeneratedKeys = true, keyProperty = "id"就不要在mapper中设置了。
     @AtuoFill(OperationType.INSERT)
    void insert(Dish dish);

     /**
      * 分页查询菜品
      *
      * @param dishPageQueryDTO
      * @return
      */
    Page<DishVO> page(DishPageQueryDTO dishPageQueryDTO);
     /**
      * 根据id查询菜品
      * @param id
      * @return
      */
    @Select("select * from dish where id = #{id}")
    Dish selectById(Long id);
     /**
      * 批量删除菜品
      * @param ids
      */
    void deleteBatch(List<Long> ids);

     /**
      * 修改菜品
      * @param dish
      */
    @AtuoFill(OperationType.UPDATE)
    void update(Dish dish);



    /**
     * 根据套餐id查询菜品
     * @param setmealId
     * @return
     */
    @Select("select a.* from dish a left join setmeal_dish b on a.id = b.dish_id where b.setmeal_id = #{setmealId}")
    List<Dish> getBySetmealId(Long setmealId);

    /**
     * 动态条件查询菜品
     *
     * @param dish
     * @return
     */
    List<Dish> list(Dish dish);
     /**
      * 更新菜品状态
      * @param dish
      */
     @AtuoFill(OperationType.UPDATE)
     @Update("update dish set status =#{status} where id =#{id}")
    void updateStatus(Dish dish);

     /**
      * 根据条件统计菜品数量
      * @param map
      * @return
      */
    Integer countByMap(Map map);
}
